<template>
  <el-menu 
    default-active="1-4-1" 
    class="el-menu-vertical-demo" 
    @open="handleOpen" 
    @close="handleClose" 
    :collapse="isCollapse"
    background-color="#545c64"
    text-color="#fff"
    active-text-color="#ffd04b"
  >
    <h3>{{ isCollapse ? '后台' : '通用后台管理' }}</h3>
    <el-menu-item index="item.name" v-for="item in noChildren" :key="item.name" @click="clickMenu(item)">
        <i :class="`el-icon-${item.icon}`"></i>
        <span slot="title">{{ item.label }}</span>
    </el-menu-item>
    <el-submenu index="item.label" v-for="item in hasChildren" :key="item.label" >
        <template slot="title">
            <i :class="`el-icon-${item.icon}`"></i>
            <span slot="title">{{ item.label }}</span>
        </template>
        <el-menu-item-group v-for="subItem in item.children" :key="subItem.name" >
            <el-menu-item :index="subItem.name" @click="clickMenu(subItem)">{{ subItem.label }}</el-menu-item>
        </el-menu-item-group>
    </el-submenu>
  </el-menu>
</template>

<script>
import Cookie from "js-cookie"

  export default {
    name:'CommonAside',
    data() {
      return {
        /* menuData:[
            {
                path:'/',
                name:'home',
                label:'首页',
                icon:'s-home',
                url:'Home/Home'
            },
            {
                path:'/mall',
                name:'mall',
                label:'商品管理',
                icon:'video-play',
                url:'MallManage/MallManage'
            },
            {
                path:'/user',
                name:'user',
                label:'用户管理',
                icon:'user',
                url:'UserManage/UserManage'
            },
            {
                label:'其他',
                icon:'location',
                children:[
                    {
                        path:'/page1',
                        name:'page1',
                        label:'页面1',
                        icon:'setting',
                        url:'Other/PageOne'
                    },
                    {
                        path:'/page2',
                        name:'page2',
                        label:'页面2',
                        icon:'setting',
                        url:'Other/PageTwo'
                    },
                ]
            },
        ] */
      };
    },
    methods: {
      /* handleOpen(key, keyPath) {
        console.log(key, keyPath);
      },
      handleClose(key, keyPath) {
        console.log(key, keyPath);
      }, */
      clickMenu(item){
        //console.log(item);
        if(this.$route.path !== item.path && !(this.$route.path === '/home' && item.path === '/')){
            this.$router.push(item.path)
        }
        this.$store.commit('SELECTION_MENU',item)
        
      }
    },
    computed:{
        noChildren(){
            return this.menuData.filter(item => !item.children)
        },
        hasChildren(){
            return this.menuData.filter(item => item.children)
        },
        isCollapse(){
            return this.$store.state.tab.isCollapse
        },
        menuData(){
          return JSON.parse(Cookie.get('menu')) || this.$store.state.tab.menu
        }
    }
  }
</script>

<style lang="less" scoped>
  .el-menu-vertical-demo:not(.el-menu--collapse) {
    width: 200px;
    min-height: 400px;
  }
  .el-menu{
    height: 100vh;
    border-right: none;
    h3{
        color: #fff;
        text-align: center;
        line-height: 48px;
        font-size: 16px;
        font-weight: 400;
    }
  }
</style>